Sennheiser AMBEO Specs

Transducer PrincipleExternally-polarized condenser
Pickup Pattern4x cardioid, in Ambisonics A-format arrangement

  • 1: front-left-up (FLU)
  • 2: front-right-down (FRD)
  • 3: back-left-down (BLD)
  • 4: back-right-up (BRU)
Frequency Response20 Hz to 20 kHz
Matrix ReferenceCenter of the capsule holder
Mixing to B-FormatW: FLU + FRD + BLD + BRU
X: FLU + FRD - BLD - BRU
Y: FLU - FRD + BLD - BRU
Z: FLU - FRD - BLD + BRU
Sensitivity31 mV/Pa (-30 dBV), free field, no load
ImpedanceNominal: approximately 200 Ohms
Minimal Terminating Impedance: 1000 Ohms
Equivalent Noise Level18 dBA as per IEC 61672-1
27 dB CCIR as per CCIR 468-3
Maximum SPL130 dBA for 1 kHz (for K = 1%)
Power Supply4x phantom powering (P48) as per IEC 61938 (48 ± 4 V), 2.2 mA each
Microphone ConnectorDIN12M (use enclosed adapter cable to convert to 4x XLR3M)
PolarityPin1 (GND), Pin2 (+), Pin3 (-)
Operating Temperature14 to 131°F / -10 to 55°C
Storage Temperature-4 to 158°F / -20 to 70°C
Relative HumidityMax 90% at 104°F / 40°C
Dimensions8.5 x 1.9/1.0" / 215.0 x 49.0/25.0 mm
Weight14.1 oz / 400.0 g
Packaging Info
Package Weight2.785 lb
Box Dimensions (LxWxH)16.05 x 11.05 x 3.05"